/*
 * Copyright (c) 2007, Ecole Polytechnique Fédérale de Lausanne (EPFL),
 * Audiovisual Communications Laboratory, 1015 Lausanne, Switzerland.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * This file is part of the project SensorScope -- http://sensorscope.epfl.ch
 *
 * @author François Ingelrest
 */

#ifndef _WATCHDOG_H
#define _WATCHDOG_H


#define UQ_WATCHDOG_ID "uq_watchdog_ID"


#define REBOOT_NOW() \
{                    \
    atomic           \
    {                \
        WDTCTL=0;    \
        while(1);    \
    }                \
}


#define START_WATCHDOG()    \
{                           \
    WDTCTL = WDT_ARST_1000; \
}


#define STOP_WATCHDOG()       \
{                             \
    WDTCTL = WDTPW + WDTHOLD; \
}


#define RESET_WATCHDOG START_WATCHDOG


typedef struct wd_entry
{
    bool     enabled;
    uint32_t deadline;
    uint32_t timestamp;
} wd_entry_t;


#endif
